tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/viewers/statistics/model/TmfTreeContentProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Mathieu Denis <mathieu.denis@polymtl.ca> - Initial API
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.model;
  14
  15 import org.eclipse.jface.viewers.ITreeContentProvider;
  16 import org.eclipse.jface.viewers.Viewer;
  17
  18 /**
  19  * Adapter TreeViewers can use to interact with StatisticsTreeNode objects.
  20  *
  21  * @author Mathieu Denis
  22  * @see org.eclipse.jface.viewers.ITreeContentProvider
  23  */
  24 public class TmfTreeContentProvider implements ITreeContentProvider {
  25
  26     @Override
  27     public Object[] getChildren(Object parentElement) {
  28         return ((TmfStatisticsTreeNode) parentElement).getChildren().toArray();
  29     }
  30
  31     @Override
  32     public Object getParent(Object element) {
  33         return ((TmfStatisticsTreeNode) element).getParent();
  34     }
  35
  36     @Override
  37     public boolean hasChildren(Object element) {
  38         return ((TmfStatisticsTreeNode) element).hasChildren();
  39     }
  40
  41     @Override
  42     public Object[] getElements(Object inputElement) {
  43         return getChildren(inputElement);
  44     }
  45
  46     @Override
  47     public void dispose() {
  48     }
  49
  50     @Override
  51     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  52     }
  53 }